/*
 * Copyright 2014-2025 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.netflix.atlas.core.model

sealed trait DsType

object DsType {

  def apply(key: String): DsType = {
    key match {
      case "gauge" => Gauge
      case _       => Rate // counter, rate, sum
    }
  }

  def apply(tags: Map[String, String]): DsType = {
    apply(tags.getOrElse(TagKey.dsType, "rate"))
  }

  case object Rate extends DsType

  case object Gauge extends DsType
}
